臂架变幅机构
arm support luffing mechanism
补偿滑轮组变幅机构
Luff mechanism of compensative sheave block
四杆变幅机构
Variable Range Four-bar Linkage
四连杆变幅机构
four-linkage derricking mechanism
变幅导丝机构
thread guide mechanism with variable stroke
变幅杆
amplitude bar
amplitude lever
Amplitude amplifier pole
Pole of Changing Length
horn
born
Amplitude horn
concentrator
ultrasonic horn
solid horn
rang-converter
acoustic horn
Amplitude transformer
amplitude transformer horn
日变幅
daily variation amplitude
Daily ranges
daily range
Day amplitude
daily amplitude
daily variation range
diurnal-variation amplitude
变幅应力
variable amplitude stress
变幅载荷
Variable amplitude loading
variable amplitude load
various-amplitude loading
variable loading
variable-amplitude loading
cyclic stress of varying amplitude